diff --git a/include/ixsync.hpp b/include/ixsync.hpp
index 9951018..8fb43b8 100644
--- a/include/ixsync.hpp
+++ b/include/ixsync.hpp
@@ -348,10 +348,9 @@ class IXsync {
    *
    */
 
-  virtual xs_error_code_t TTLOutputModule1_setSrcSigType(SignalType_t source)  = 0;
-  virtual xs_error_code_t TTLOutputModule1_getSrcSigType(SignalType_t &source) = 0;
-  virtual xs_error_code_t TTLOutputModule1_setFreqDivision(uint32_t div)       = 0;
-
+  virtual xs_error_code_t TTLOutputModule_setSrcSigType(int index, SignalType_t source)     = 0;
+  virtual xs_error_code_t TTLOutputModule_getSrcSigType(int index, SignalType_t &source)    = 0;
+  virtual xs_error_code_t TTLOutputModule_setFreqDivision(int index, uint32_t div)          = 0;
   virtual xs_error_code_t TTLOutputModule_getFreqDivision(int index, uint32_t &div)         = 0;
   virtual xs_error_code_t TTLOutputModule_setFreqMultiplication(int index, uint32_t multi)  = 0;
   virtual xs_error_code_t TTLOutputModule_getFreqMultiplication(int index, uint32_t &multi) = 0;
diff --git a/include/xsync_v2.hpp b/include/xsync_v2.hpp
index 2499350..f16d07b 100644
--- a/include/xsync_v2.hpp
+++ b/include/xsync_v2.hpp
@@ -16,7 +16,7 @@
 #include "i_xsync_udp.hpp"
 #include "ixsync.hpp"
 #define VERSION(main, sub, fix) (main << 16 | sub << 8 | fix << 0)
-#define PC_VERSION              VERSION(3, 1, 0)
+#define PC_VERSION              VERSION(3, 2, 0)
 
 namespace xsync {
 using namespace std;
diff --git a/include/xsync_v2_sig_type.hpp b/include/xsync_v2_sig_type.hpp
index 30a1eea..6a7ba39 100644
--- a/include/xsync_v2_sig_type.hpp
+++ b/include/xsync_v2_sig_type.hpp
@@ -51,6 +51,8 @@ typedef struct {
 
 string          XsyncTimecodeToStr(XsyncTimecode_t timecode);
 XsyncTimecode_t Str2XsyncTimecode(string timecode);
+void Str2XsyncTimecode(string timecode, XsyncTimecode_t &code) ;
+
 
 /*******************************************************************************
  *                                   GENLOCK                                   *
diff --git a/src/xsync_v2.cpp b/src/xsync_v2.cpp
index dbe3fbe..e676b51 100644
--- a/src/xsync_v2.cpp
+++ b/src/xsync_v2.cpp
@@ -393,7 +393,7 @@ class Xsync : public IXsync {
   virtual xs_error_code_t SysTimecode_readCode(XsyncTimecode_t &timecode) override { return readtimecode(reg::sys_timecode_data0, reg::sys_timecode_data1, timecode); }
 
   virtual xs_error_code_t RecordSigGenerator_setContrlMode(ControlMode_t mode) override {
-    if (mode != CONTROLMODE_MANUAL_TRIGGER && mode != CONTROLMODE_TIMECODE_TRIGGER && mode != CONTROLMODE_EXTERNALTTL_TRIGGER) {
+    if (mode != CONTROLMODE_MANUAL_TRIGGER && mode != CONTROLMODE_TIMECODE_TRIGGER && mode != CONTROLMODE_EXTERNALTTL_TRIGGER && mode != CONTROLMODE_EXTERNALTTL_EDGE_TRIGGER) {
       return kxs_ec_param_error;
     }
     return reg_write(reg::record_sig_gen_ctrl_control_mode, mode);
diff --git a/src/xsync_v2_sig_type.cpp b/src/xsync_v2_sig_type.cpp
index a7eace6..288e2d1 100644
--- a/src/xsync_v2_sig_type.cpp
+++ b/src/xsync_v2_sig_type.cpp
@@ -41,13 +41,18 @@ string XsyncTimecodeToStr(XsyncTimecode_t timecode) {
   return string(buf);
 }
 XsyncTimecode_t Str2XsyncTimecode(string timecode) {
-  XsyncTimecode_t ret;
-  char            buf[128] = {0};
+  XsyncTimecode_t ret      = {0};
+  char            buf[256] = {0};
   strncpy(buf, timecode.c_str(), 127);
   sscanf(buf, "%02d:%02d:%02d:%02d", &ret.hour, &ret.minute, &ret.second, &ret.frame);
   return ret;
 }
 
+void Str2XsyncTimecode(string timecode, XsyncTimecode_t &code) {
+  char buf[256] = {0};
+  strncpy(buf, timecode.c_str(), 127);
+  sscanf(buf, "%02d:%02d:%02d:%02d", &code.hour, &code.minute, &code.second, &code.frame);
+}
 /*******************************************************************************
  *                                   GENLOCK                                   *
  *******************************************************************************/
@@ -132,7 +137,7 @@ list<string> SignalTypeStrSet() {
 /*******************************************************************************
  *                                  控制模式                                   *
  *******************************************************************************/
-static map<string, ControlMode_t> ControlModeMap = {                       //
+static map<string, ControlMode_t> ControlModeMap = {           //
     {"ALWAYS_START", CONTROLMODE_ALWAYS_START},                //
     {"MANUAL_TRIGGER", CONTROLMODE_MANUAL_TRIGGER},            //
     {"TIMECODE_TRIGGER", CONTROLMODE_TIMECODE_TRIGGER},        //